Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"wei hang ton snippets" » "wei zhang ton snippets", "wei tang ton snippets", "wei fang ton snippets", "wei hang nong snippets", "wei hang cong snippets", "wei hang tai snippets"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("wei hang ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("wei hang ton snippets") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( wei hang ton snippets ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("wei hang ton snippets") or ("python using java snippets"))) or ("locating bug code snippets"))*.